p=mv ke=1/2mv^2
Cart 1
p=.6864*505 p=346.632 ke=1/2*505*.6864^2 ke=118.964
Cart 2
p=.5839*505 p=294.87 ke=1/2*505*.5839^2 ke=86.087
% Conserved
294.87/346.632*100=85% p conserved 86.087/118.964*100=72.4% ke conserved
In elastic collisions both momentum and kinetic energy should be conserved.
Cart 1 before
p=.6465*1015 p=656.1975 ke=1/2*1015*.6465^2 ke=212.1158
Cart 1 after
p=.3157*1015 p=320.4355 ke=1/2*1015*.3157^2 ke=50.5807
p=mv ke=1/2mv^2
Cart 1
p=.6864*505 p=346.632 ke=1/2*505*.6864^2 ke=118.964
Cart 2
p=.5839*505 p=294.87 ke=1/2*505*.5839^2 ke=86.087
% Conserved
294.87/346.632*100=85% p conserved 86.087/118.964*100=72.4% ke conserved
In elastic collisions both momentum and kinetic energy should be conserved.
Cart 1 before
p=.6465*1015 p=656.1975 ke=1/2*1015*.6465^2 ke=212.1158
Cart 1 after
p=.3157*1015 p=320.4355 ke=1/2*1015*.3157^2 ke=50.5807
Cart 2
p=.5620*505 p=283.81 ke=1/2*505*.5620^2 ke=79.7506
% Conserved
(283.81+320.4355)/656.1975*100=92% p conserved (50.5807+79.7506)/212.1158*100=61.4% ke conserved
In an elastic collision both ke and p should be conserved.